Mahjong machine evolution footsteps: from single mouth Ma machine to four mahjong machine!

Single mouth Ma machine is only one conveyor belt in the transport card and the motor through the motor card, the chain motor to send the card, after the push up the motor finally rose to the desktop, as the name suggests is only a delivery port mean;

Four mahjong machine is there are four transmission tracks, and the principle will be somewhat different, it's shuffling speed is much faster than the single-port machine, generally 30-35 seconds, single-mouth machine shuffling time is generally about 70 seconds, The fastest also about 55 seconds.

With the future but also to progress or evolution to eight machine linen machine?